simplify project build and package installation from setup.py to pyproject, including the versioning using __version__ attribute

Author: theorashid

MANIFEST.in

@@ -17,7 +17,8 @@
 from pymc_experimental.inference.fit import fit
 from pymc_experimental.model.marginal_model import MarginalModel
 from pymc_experimental.model.model_api import as_model
-from pymc_experimental.version import __version__
+
+__version__ = "1.1.0"
 
 _log = logging.getLogger("pmx")
 
@@ -36,5 +37,4 @@
     "fit",
     "MarginalModel",
     "as_model",
-    "__version__",
 ]

pymc_experimental/__init__.py

@@ -1,3 +1,72 @@
+[build-system]
+requires = ["setuptools>=61.0"]
+build-backend = "setuptools.build_meta"
+
+[project]
+name = "pymc_experimental"
+authors = [
+  {name = "PyMC Developers", email = "[email protected]"},
+]
+description = "A home for new additions to PyMC, which may include unusual probability distributions, advanced model fitting algorithms, or any code that may be inappropriate to include in the pymc repository, but may want to be made available to users."
+classifiers = [
+  "Development Status :: 5 - Production/Stable",
+  "Programming Language :: Python",
+  "Programming Language :: Python :: 3",
+  "Programming Language :: Python :: 3.10",
+  "Programming Language :: Python :: 3.11",
+  "Programming Language :: Python :: 3.12",
+  "License :: OSI Approved :: Apache Software License",
+  "Intended Audience :: Science/Research",
+  "Topic :: Scientific/Engineering",
+  "Topic :: Scientific/Engineering :: Mathematics",
+  "Operating System :: OS Independent",
+]
+readme = "README.md"
+requires-python = ">=3.10"
+keywords = [
+  "probability",
+  "machine learning",
+  "statistics",
+  "mcmc",
+  "sampling",
+  "bayesian",
+]
+license = {file = "LICENSE"}
+dynamic = ["version"]  # specify the version in the __init__.py file
+dependencies = [
+  "pymc>=5.16.1",
+  "scikit-learn",
+]
+
+[project.optional-dependencies]
+dev = [
+  "pytest>=6.0",
+  "dask[all]",
+  "blackjax>1.0.0",
+  "statsmodels",
+]
+docs = [
+  "nbsphinx>=0.4.2",
+  "pydata-sphinx-theme>=0.6.3",
+  "sphinx>=4.0",
+  "pymc-sphinx-theme@git+https://github.com/pymc-devs/pymc-sphinx-theme",
+]
+
+[project.urls]
+Documentation = "https://www.pymc.io/projects/experimental/"
+Repository = "https://github.com/pymc-devs/pymc-experimental.git"
+Issues = "https://github.com/pymc-devs/pymc-experimental/issues"
+
+[tool.setuptools.packages.find]
+where = ["."]
+include = ["pymc_experimental"]
+exclude = ["tests", "notebooks"]
+# Additional install requirements for running tests
+namespaces = false
+
+[tool.setuptools.dynamic]
+version = {attr = "pymc_experimental.__version__"}
+
 [tool.pytest.ini_options]
 minversion = "6.0"
 xfail_strict = true